diff options
author | Tejun Heo <tj@kernel.org> | 2011-05-24 09:59:36 +0200 |
---|---|---|
committer | Tejun Heo <tj@kernel.org> | 2011-05-24 09:59:36 +0200 |
commit | 6988f20fe04e9ef3aea488cb8ab57fbeb78e12f0 (patch) | |
tree | c9d7fc50a2e2147a5ca07e3096e7eeb916ad2da9 /include | |
parent | 0415b00d175e0d8945e6785aad21b5f157976ce0 (diff) | |
parent | 6ea0c34dac89611126455537552cffe6c7e832ad (diff) |
Merge branch 'fixes-2.6.39' into for-2.6.40
Diffstat (limited to 'include')
69 files changed, 1477 insertions, 402 deletions
diff --git a/include/asm-generic/bug.h b/include/asm-generic/bug.h index c2c9ba032d46..f2d2faf4d9ae 100644 --- a/include/asm-generic/bug.h +++ b/include/asm-generic/bug.h @@ -165,10 +165,36 @@ extern void warn_slowpath_null(const char *file, const int line); #define WARN_ON_RATELIMIT(condition, state) \ WARN_ON((condition) && __ratelimit(state)) +/* + * WARN_ON_SMP() is for cases that the warning is either + * meaningless for !SMP or may even cause failures. + * This is usually used for cases that we have + * WARN_ON(!spin_is_locked(&lock)) checks, as spin_is_locked() + * returns 0 for uniprocessor settings. + * It can also be used with values that are only defined + * on SMP: + * + * struct foo { + * [...] + * #ifdef CONFIG_SMP + * int bar; + * #endif + * }; + * + * void func(struct foo *zoot) + * { + * WARN_ON_SMP(!zoot->bar); + * + * For CONFIG_SMP, WARN_ON_SMP() should act the same as WARN_ON(), + * and should be a nop and return false for uniprocessor. + * + * if (WARN_ON_SMP(x)) returns true only when CONFIG_SMP is set + * and x is true. + */ #ifdef CONFIG_SMP # define WARN_ON_SMP(x) WARN_ON(x) #else -# define WARN_ON_SMP(x) do { } while (0) +# define WARN_ON_SMP(x) ({0;}) #endif #endif diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h index f301cea5ca2d..ebdaafa866a7 100644 --- a/include/asm-generic/vmlinux.lds.h +++ b/include/asm-generic/vmlinux.lds.h @@ -688,6 +688,28 @@ } /** + * PERCPU_INPUT - the percpu input sections + * @cacheline: cacheline size + * + * The core percpu section names and core symbols which do not rely + * directly upon load addresses. + * + * @cacheline is used to align subsections to avoid false cacheline + * sharing between subsections for different purposes. + */ +#define PERCPU_INPUT(cacheline) \ + VMLINUX_SYMBOL(__per_cpu_start) = .; \ + *(.data..percpu..first) \ + . = ALIGN(PAGE_SIZE); \ + *(.data..percpu..page_aligned) \ + . = ALIGN(cacheline); \ + *(.data..percpu..readmostly) \ + . = ALIGN(cacheline); \ + *(.data..percpu) \ + *(.data..percpu..shared_aligned) \ + VMLINUX_SYMBOL(__per_cpu_end) = .; + +/** * PERCPU_VADDR - define output section for percpu area * @cacheline: cacheline size * @vaddr: explicit base address (optional) @@ -715,16 +737,7 @@ VMLINUX_SYMBOL(__per_cpu_load) = .; \ .data..percpu vaddr : AT(VMLINUX_SYMBOL(__per_cpu_load) \ - LOAD_OFFSET) { \ - VMLINUX_SYMBOL(__per_cpu_start) = .; \ - *(.data..percpu..first) \ - . = ALIGN(PAGE_SIZE); \ - *(.data..percpu..page_aligned) \ - . = ALIGN(cacheline); \ - *(.data..percpu..readmostly) \ - . = ALIGN(cacheline); \ - *(.data..percpu) \ - *(.data..percpu..shared_aligned) \ - VMLINUX_SYMBOL(__per_cpu_end) = .; \ + PERCPU_INPUT(cacheline) \ } phdr \ . = VMLINUX_SYMBOL(__per_cpu_load) + SIZEOF(.data..percpu); @@ -744,16 +757,7 @@ . = ALIGN(PAGE_SIZE); \ .data..percpu : AT(ADDR(.data..percpu) - LOAD_OFFSET) { \ VMLINUX_SYMBOL(__per_cpu_load) = .; \ - VMLINUX_SYMBOL(__per_cpu_start) = .; \ - *(.data..percpu..first) \ - . = ALIGN(PAGE_SIZE); \ - *(.data..percpu..page_aligned) \ - . = ALIGN(cacheline); \ - *(.data..percpu..readmostly) \ - . = ALIGN(cacheline); \ - *(.data..percpu) \ - *(.data..percpu..shared_aligned) \ - VMLINUX_SYMBOL(__per_cpu_end) = .; \ + PERCPU_INPUT(cacheline) \ } diff --git a/include/drm/drm.h b/include/drm/drm.h index 9ac431396176..4be33b4ca2f8 100644 --- a/include/drm/drm.h +++ b/include/drm/drm.h @@ -463,12 +463,15 @@ struct drm_irq_busid { enum drm_vblank_seq_type { _DRM_VBLANK_ABSOLUTE = 0x0, /**< Wait for specific vblank sequence number */ _DRM_VBLANK_RELATIVE = 0x1, /**< Wait for given number of vblanks */ + /* bits 1-6 are reserved for high crtcs */ + _DRM_VBLANK_HIGH_CRTC_MASK = 0x0000003e, _DRM_VBLANK_EVENT = 0x4000000, /**< Send event instead of blocking */ _DRM_VBLANK_FLIP = 0x8000000, /**< Scheduled buffer swap should flip */ _DRM_VBLANK_NEXTONMISS = 0x10000000, /**< If missed, wait for next vblank */ _DRM_VBLANK_SECONDARY = 0x20000000, /**< Secondary display controller */ _DRM_VBLANK_SIGNAL = 0x40000000 /**< Send signal instead of blocking, unsupported */ }; +#define _DRM_VBLANK_HIGH_CRTC_SHIFT 1 #define _DRM_VBLANK_TYPES_MASK (_DRM_VBLANK_ABSOLUTE | _DRM_VBLANK_RELATIVE) #define _DRM_VBLANK_FLAGS_MASK (_DRM_VBLANK_EVENT | _DRM_VBLANK_SIGNAL | \ @@ -753,6 +756,7 @@ struct drm_event_vblank { }; #define DRM_CAP_DUMB_BUFFER 0x1 +#define DRM_CAP_VBLANK_HIGH_CRTC 0x2 /* typedef area */ #ifndef __KERNEL__ diff --git a/include/linux/bch.h b/include/linux/bch.h new file mode 100644 index 000000000000..295b4ef153bb --- /dev/null +++ b/include/linux/bch.h @@ -0,0 +1,79 @@ +/* + * Generic binary BCH encoding/decoding library + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published by + * the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., 51 + * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Copyright © 2011 Parrot S.A. + * + * Author: Ivan Djelic <ivan.djelic@parrot.com> + * + * Description: + * + * This library provides runtime configurable encoding/decoding of binary + * Bose-Chaudhuri-Hocquenghem (BCH) codes. +*/ +#ifndef _BCH_H +#define _BCH_H + +#include <linux/types.h> + +/** + * struct bch_control - BCH control structure + * @m: Galois field order + * @n: maximum codeword size in bits (= 2^m-1) + * @t: error correction capability in bits + * @ecc_bits: ecc exact size in bits, i.e. generator polynomial degree (<=m*t) + * @ecc_bytes: ecc max size (m*t bits) in bytes + * @a_pow_tab: Galois field GF(2^m) exponentiation lookup table + * @a_log_tab: Galois field GF(2^m) log lookup table + * @mod8_tab: remainder generator polynomial lookup tables + * @ecc_buf: ecc parity words buffer + * @ecc_buf2: ecc parity words buffer + * @xi_tab: GF(2^m) base for solving degree 2 polynomial roots + * @syn: syndrome buffer + * @cache: log-based polynomial representation buffer + * @elp: error locator polynomial + * @poly_2t: temporary polynomials of degree 2t + */ +struct bch_control { + unsigned int m; + unsigned int n; + unsigned int t; + unsigned int ecc_bits; + unsigned int ecc_bytes; +/* private: */ + uint16_t *a_pow_tab; + uint16_t *a_log_tab; + uint32_t *mod8_tab; + uint32_t *ecc_buf; + uint32_t *ecc_buf2; + unsigned int *xi_tab; + unsigned int *syn; + int *cache; + struct gf_poly *elp; + struct gf_poly *poly_2t[4]; +}; + +struct bch_control *init_bch(int m, int t, unsigned int prim_poly); + +void free_bch(struct bch_control *bch); + +void encode_bch(struct bch_control *bch, const uint8_t *data, + unsigned int len, uint8_t *ecc); + +int decode_bch(struct bch_control *bch, const uint8_t *data, unsigned int len, + const uint8_t *recv_ecc, const uint8_t *calc_ecc, + const unsigned int *syn, unsigned int *errloc); + +#endif /* _BCH_H */ diff --git a/include/linux/davinci_emac.h b/include/linux/davinci_emac.h index 5dd428532f79..542888504994 100644 --- a/include/linux/davinci_emac.h +++ b/include/linux/davinci_emac.h @@ -36,6 +36,7 @@ struct emac_platform_data { u8 rmii_en; u8 version; + bool no_bd_ram; void (*interrupt_enable) (void); void (*interrupt_disable) (void); }; diff --git a/include/linux/device.h b/include/linux/device.h index 144ec135875f..ab8dfc095709 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -633,8 +633,12 @@ static inline int devtmpfs_mount(const char *mountpoint) { return 0; } /* drivers/base/power/shutdown.c */ extern void device_shutdown(void); +#ifndef CONFIG_ARCH_NO_SYSDEV_OPS /* drivers/base/sys.c */ extern void sysdev_shutdown(void); +#else +static inline void sysdev_shutdown(void) { } +#endif /* debugging and troubleshooting/diagnostic helpers. */ extern const char *dev_driver_string(const struct device *dev); diff --git a/include/linux/dm-ioctl.h b/include/linux/dm-ioctl.h index 78bbf47bbb96..3708455ee6c3 100644 --- a/include/linux/dm-ioctl.h +++ b/include/linux/dm-ioctl.h @@ -267,9 +267,9 @@ enum { #define DM_DEV_SET_GEOMETRY _IOWR(DM_IOCTL, DM_DEV_SET_GEOMETRY_CMD, struct dm_ioctl) #define DM_VERSION_MAJOR 4 -#define DM_VERSION_MINOR 19 -#define DM_VERSION_PATCHLEVEL 1 -#define DM_VERSION_EXTRA "-ioctl (2011-01-07)" +#define DM_VERSION_MINOR 20 +#define DM_VERSION_PATCHLEVEL 0 +#define DM_VERSION_EXTRA "-ioctl (2011-02-02)" /* Status bits */ #define DM_READONLY_FLAG (1 << 0) /* In/Out */ @@ -328,4 +328,10 @@ enum { */ #define DM_UUID_FLAG (1 << 14) /* In */ +/* + * If set, all buffers are wiped after use. Use when sending + * or requesting sensitive data such as an encryption key. + */ +#define DM_SECURE_DATA_FLAG (1 << 15) /* In */ + #endif /* _LINUX_DM_IOCTL_H */ diff --git a/include/linux/drbd.h b/include/linux/drbd.h index ef44c7a0638c..d18d673ebc78 100644 --- a/include/linux/drbd.h +++ b/include/linux/drbd.h @@ -53,10 +53,10 @@ extern const char *drbd_buildtag(void); -#define REL_VERSION "8.3.9" +#define REL_VERSION "8.3.10" #define API_VERSION 88 #define PRO_VERSION_MIN 86 -#define PRO_VERSION_MAX 95 +#define PRO_VERSION_MAX 96 enum drbd_io_error_p { @@ -96,8 +96,14 @@ enum drbd_on_no_data { OND_SUSPEND_IO }; +enum drbd_on_congestion { + OC_BLOCK, + OC_PULL_AHEAD, + OC_DISCONNECT, +}; + /* KEEP the order, do not delete or insert. Only append. */ -enum drbd_ret_codes { +enum drbd_ret_code { ERR_CODE_BASE = 100, NO_ERROR = 101, ERR_LOCAL_ADDR = 102, @@ -146,6 +152,9 @@ enum drbd_ret_codes { ERR_PERM = 152, ERR_NEED_APV_93 = 153, ERR_STONITH_AND_PROT_A = 154, + ERR_CONG_NOT_PROTO_A = 155, + ERR_PIC_AFTER_DEP = 156, + ERR_PIC_PEER_DEP = 157, /* insert new ones above this line */ AFTER_LAST_ERR_CODE @@ -199,6 +208,10 @@ enum drbd_conns { C_VERIFY_T, C_PAUSED_SYNC_S, C_PAUSED_SYNC_T, + + C_AHEAD, + C_BEHIND, + C_MASK = 31 }; @@ -259,7 +272,7 @@ union drbd_state { unsigned int i; }; -enum drbd_state_ret_codes { +enum drbd_state_rv { SS_CW_NO_NEED = 4, SS_CW_SUCCESS = 3, SS_NOTHING_TO_DO = 2, @@ -290,7 +303,7 @@ enum drbd_state_ret_codes { extern const char *drbd_conn_str(enum drbd_conns); extern const char *drbd_role_str(enum drbd_role); extern const char *drbd_disk_str(enum drbd_disk_state); -extern const char *drbd_set_st_err_str(enum drbd_state_ret_codes); +extern const char *drbd_set_st_err_str(enum drbd_state_rv); #define SHARED_SECRET_MAX 64 diff --git a/include/linux/drbd_limits.h b/include/linux/drbd_limits.h index 4ac33f34b77e..bb264a5732de 100644 --- a/include/linux/drbd_limits.h +++ b/include/linux/drbd_limits.h @@ -16,7 +16,8 @@ #define DEBUG_RANGE_CHECK 0 #define DRBD_MINOR_COUNT_MIN 1 -#define DRBD_MINOR_COUNT_MAX 255 +#define DRBD_MINOR_COUNT_MAX 256 +#define DRBD_MINOR_COUNT_DEF 32 #define DRBD_DIALOG_REFRESH_MIN 0 #define DRBD_DIALOG_REFRESH_MAX 600 @@ -129,6 +130,7 @@ #define DRBD_AFTER_SB_2P_DEF ASB_DISCONNECT #define DRBD_RR_CONFLICT_DEF ASB_DISCONNECT #define DRBD_ON_NO_DATA_DEF OND_IO_ERROR +#define DRBD_ON_CONGESTION_DEF OC_BLOCK #define DRBD_MAX_BIO_BVECS_MIN 0 #define DRBD_MAX_BIO_BVECS_MAX 128 @@ -154,5 +156,13 @@ #define DRBD_C_MIN_RATE_MAX (4 << 20) #define DRBD_C_MIN_RATE_DEF 4096 +#define DRBD_CONG_FILL_MIN 0 +#define DRBD_CONG_FILL_MAX (10<<21) /* 10GByte in sectors */ +#define DRBD_CONG_FILL_DEF 0 + +#define DRBD_CONG_EXTENTS_MIN DRBD_AL_EXTENTS_MIN +#define DRBD_CONG_EXTENTS_MAX DRBD_AL_EXTENTS_MAX +#define DRBD_CONG_EXTENTS_DEF DRBD_AL_EXTENTS_DEF + #undef RANGE #endif diff --git a/include/linux/drbd_nl.h b/include/linux/drbd_nl.h index ade91107c9a5..ab6159e4fcf0 100644 --- a/include/linux/drbd_nl.h +++ b/include/linux/drbd_nl.h @@ -56,6 +56,9 @@ NL_PACKET(net_conf, 5, NL_INTEGER( 39, T_MAY_IGNORE, rr_conflict) NL_INTEGER( 40, T_MAY_IGNORE, ping_timeo) NL_INTEGER( 67, T_MAY_IGNORE, rcvbuf_size) + NL_INTEGER( 81, T_MAY_IGNORE, on_congestion) + NL_INTEGER( 82, T_MAY_IGNORE, cong_fill) + NL_INTEGER( 83, T_MAY_IGNORE, cong_extents) /* 59 addr_family was available in GIT, never released */ NL_BIT( 60, T_MANDATORY, mind_af) NL_BIT( 27, T_MAY_IGNORE, want_lose) @@ -66,7 +69,9 @@ NL_PACKET(net_conf, 5, NL_BIT( 70, T_MANDATORY, dry_run) ) -NL_PACKET(disconnect, 6, ) +NL_PACKET(disconnect, 6, + NL_BIT( 84, T_MAY_IGNORE, force) +) NL_PACKET(resize, 7, NL_INT64( 29, T_MAY_IGNORE, resize_size) @@ -143,9 +148,13 @@ NL_PACKET(new_c_uuid, 26, NL_BIT( 63, T_MANDATORY, clear_bm) ) +#ifdef NL_RESPONSE +NL_RESPONSE(return_code_only, 27) +#endif + #undef NL_PACKET #undef NL_INTEGER #undef NL_INT64 #undef NL_BIT #undef NL_STRING - +#undef NL_RESPONSE diff --git a/include/linux/drbd_tag_magic.h b/include/linux/drbd_tag_magic.h index fcdff8410e99..f14a165e82dc 100644 --- a/include/linux/drbd_tag_magic.h +++ b/include/linux/drbd_tag_magic.h @@ -7,6 +7,7 @@ /* declare packet_type enums */ enum packet_types { #define NL_PACKET(name, number, fields) P_ ## name = number, +#define NL_RESPONSE(name, number) P_ ## name = number, #define NL_INTEGER(pn, pr, member) #define NL_INT64(pn, pr, member) #define NL_BIT(pn, pr, member) diff --git a/include/linux/ethtool.h b/include/linux/ethtool.h index b297f288f6eb..ae757bcf1280 100644 --- a/include/linux/ethtool.h +++ b/include/linux/ethtool.h @@ -648,6 +648,9 @@ enum ethtool_sfeatures_retval_bits { #include <linux/rculist.h> +/* needed by dev_disable_lro() */ +extern int __ethtool_set_flags(struct net_device *dev, u32 flags); + struct ethtool_rx_ntuple_flow_spec_container { struct ethtool_rx_ntuple_flow_spec fs; struct list_head list; diff --git a/include/linux/fs.h b/include/linux/fs.h index ce7e18555197..b677bd77f2d6 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -1636,7 +1636,7 @@ struct super_operations { }; /* - * Inode state bits. Protected by inode_lock. + * Inode state bits. Protected by inode->i_lock * * Three bits determine the dirty state of the inode, I_DIRTY_SYNC, * I_DIRTY_DATASYNC and I_DIRTY_PAGES. diff --git a/include/linux/irq.h b/include/linux/irq.h index 1d3577f30d45..5d876c9b3a3d 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -28,6 +28,7 @@ #include <asm/ptrace.h> #include <asm/irq_regs.h> +struct seq_file; struct irq_desc; struct irq_data; typedef void (*irq_flow_handler_t)(unsigned int irq, @@ -270,6 +271,7 @@ static inline bool irqd_can_move_in_process_context(struct irq_data *d) * @irq_set_wake: enable/disable power-management wake-on of an IRQ * @irq_bus_lock: function to lock access to slow bus (i2c) chips * @irq_bus_sync_unlock:function to sync and unlock slow bus (i2c) chips + * @irq_print_chip: optional to print special chip info in show_interrupts * @flags: chip specific flags * * @release: release function solely used by UML @@ -317,6 +319,8 @@ struct irq_chip { void (*irq_bus_lock)(struct irq_data *data); void (*irq_bus_sync_unlock)(struct irq_data *data); + void (*irq_print_chip)(struct irq_data *data, struct seq_file *p); + unsigned long flags; /* Currently used only by UML, might disappear one day.*/ diff --git a/include/linux/irqdesc.h b/include/linux/irqdesc.h index 00218371518b..15e6c3905f41 100644 --- a/include/linux/irqdesc.h +++ b/include/linux/irqdesc.h @@ -100,13 +100,6 @@ struct irq_desc { extern struct irq_desc irq_desc[NR_IRQS]; #endif -/* Will be removed once the last users in power and sh are gone */ -extern struct irq_desc *irq_to_desc_alloc_node(unsigned int irq, int node); -static inline struct irq_desc *move_irq_desc(struct irq_desc *desc, int node) -{ - return desc; -} - #ifdef CONFIG_GENERIC_HARDIRQS static inline struct irq_data *irq_desc_get_irq_data(struct irq_desc *desc) @@ -178,24 +171,52 @@ static inline int irq_has_action(unsigned int irq) return desc->action != NULL; } -#ifndef CONFIG_GENERIC_HARDIRQS_NO_COMPAT -static inline int irq_balancing_disabled(unsigned int irq) +/* caller has locked the irq_desc and both params are valid */ +static inline void __irq_set_handler_locked(unsigned int irq, + irq_flow_handler_t handler) { struct irq_desc *desc; desc = irq_to_desc(irq); - return desc->status & IRQ_NO_BALANCING_MASK; + desc->handle_irq = handler; } -#endif /* caller has locked the irq_desc and both params are valid */ +static inline void +__irq_set_chip_handler_name_locked(unsigned int irq, struct irq_chip *chip, + irq_flow_handler_t handler, const char *name) +{ + struct irq_desc *desc; + + desc = irq_to_desc(irq); + irq_desc_get_irq_da |